./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30390fe155d7f123b603151bf2b8a7453d49cf9d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30390fe155d7f123b603151bf2b8a7453d49cf9d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_14 __list_add_~new.offset __list_add_~next.base) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:55:16,596 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:55:16,597 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:55:16,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:55:16,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:55:16,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:55:16,605 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:55:16,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:55:16,607 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:55:16,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:55:16,609 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:55:16,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:55:16,609 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:55:16,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:55:16,611 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:55:16,612 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:55:16,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:55:16,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:55:16,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:55:16,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:55:16,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:55:16,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:55:16,619 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:55:16,619 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:55:16,619 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:55:16,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:55:16,620 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:55:16,621 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:55:16,621 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:55:16,622 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:55:16,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:55:16,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:55:16,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:55:16,623 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:55:16,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:55:16,624 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:55:16,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 14:55:16,634 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:55:16,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:55:16,635 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:55:16,635 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:55:16,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:55:16,635 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:55:16,635 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:55:16,635 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:55:16,636 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:55:16,636 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:55:16,636 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:55:16,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:55:16,636 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:55:16,636 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:55:16,636 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:55:16,636 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:55:16,637 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:55:16,637 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:55:16,637 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:55:16,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:55:16,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:55:16,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:55:16,637 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:55:16,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:55:16,638 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:55:16,638 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:55:16,638 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:55:16,638 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:55:16,638 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:55:16,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:55:16,638 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30390fe155d7f123b603151bf2b8a7453d49cf9d [2018-11-23 14:55:16,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:55:16,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:55:16,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:55:16,671 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:55:16,671 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:55:16,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i [2018-11-23 14:55:16,706 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data/d6c6b9f91/41bd673b391644fdb0a5fcfb68336868/FLAGf85292288 [2018-11-23 14:55:17,159 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:55:17,160 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/sv-benchmarks/c/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i [2018-11-23 14:55:17,169 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data/d6c6b9f91/41bd673b391644fdb0a5fcfb68336868/FLAGf85292288 [2018-11-23 14:55:17,178 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data/d6c6b9f91/41bd673b391644fdb0a5fcfb68336868 [2018-11-23 14:55:17,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:55:17,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:55:17,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:55:17,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:55:17,184 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:55:17,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a12d460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17, skipping insertion in model container [2018-11-23 14:55:17,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:55:17,223 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:55:17,488 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:55:17,539 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:55:17,579 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:55:17,660 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:55:17,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17 WrapperNode [2018-11-23 14:55:17,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:55:17,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:55:17,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:55:17,662 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:55:17,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:55:17,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:55:17,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:55:17,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:55:17,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... [2018-11-23 14:55:17,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:55:17,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:55:17,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:55:17,734 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:55:17,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:55:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2018-11-23 14:55:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2018-11-23 14:55:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2018-11-23 14:55:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-11-23 14:55:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2018-11-23 14:55:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2018-11-23 14:55:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:55:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:55:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 14:55:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2018-11-23 14:55:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2018-11-23 14:55:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:55:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 14:55:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2018-11-23 14:55:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-11-23 14:55:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2018-11-23 14:55:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-11-23 14:55:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2018-11-23 14:55:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2018-11-23 14:55:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:55:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 14:55:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-23 14:55:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-23 14:55:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 14:55:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-11-23 14:55:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-11-23 14:55:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 14:55:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-11-23 14:55:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:55:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:55:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 14:55:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 14:55:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 14:55:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2018-11-23 14:55:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2018-11-23 14:55:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:55:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:55:18,220 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:55:18,220 INFO L280 CfgBuilder]: Removed 41 assue(true) statements. [2018-11-23 14:55:18,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:18 BoogieIcfgContainer [2018-11-23 14:55:18,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:55:18,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:55:18,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:55:18,224 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:55:18,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:55:17" (1/3) ... [2018-11-23 14:55:18,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7314897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:18, skipping insertion in model container [2018-11-23 14:55:18,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:17" (2/3) ... [2018-11-23 14:55:18,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7314897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:18, skipping insertion in model container [2018-11-23 14:55:18,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:18" (3/3) ... [2018-11-23 14:55:18,227 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i [2018-11-23 14:55:18,232 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:55:18,237 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:55:18,246 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:55:18,267 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:55:18,267 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:55:18,267 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:55:18,267 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:55:18,267 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:55:18,267 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:55:18,267 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:55:18,267 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:55:18,268 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:55:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-23 14:55:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:55:18,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:18,286 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:18,288 INFO L423 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:18,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:18,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1597118822, now seen corresponding path program 1 times [2018-11-23 14:55:18,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:18,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:18,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:18,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:18,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:18,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:18,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:55:18,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:55:18,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:55:18,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:55:18,395 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-23 14:55:18,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:18,425 INFO L93 Difference]: Finished difference Result 280 states and 451 transitions. [2018-11-23 14:55:18,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:55:18,426 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-23 14:55:18,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:18,432 INFO L225 Difference]: With dead ends: 280 [2018-11-23 14:55:18,432 INFO L226 Difference]: Without dead ends: 130 [2018-11-23 14:55:18,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:55:18,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-23 14:55:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-23 14:55:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 14:55:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-11-23 14:55:18,464 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 14 [2018-11-23 14:55:18,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:18,464 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-11-23 14:55:18,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:55:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-11-23 14:55:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 14:55:18,466 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:18,466 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:18,466 INFO L423 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:18,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:18,466 INFO L82 PathProgramCache]: Analyzing trace with hash -427313062, now seen corresponding path program 1 times [2018-11-23 14:55:18,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:18,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:18,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:18,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:18,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:18,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:18,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:55:18,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:55:18,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:55:18,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:55:18,576 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2018-11-23 14:55:18,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:18,673 INFO L93 Difference]: Finished difference Result 132 states and 152 transitions. [2018-11-23 14:55:18,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 14:55:18,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-23 14:55:18,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:18,675 INFO L225 Difference]: With dead ends: 132 [2018-11-23 14:55:18,675 INFO L226 Difference]: Without dead ends: 129 [2018-11-23 14:55:18,676 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:55:18,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-23 14:55:18,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-23 14:55:18,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-23 14:55:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2018-11-23 14:55:18,689 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 34 [2018-11-23 14:55:18,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:18,691 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2018-11-23 14:55:18,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:55:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2018-11-23 14:55:18,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 14:55:18,692 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:18,692 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:18,692 INFO L423 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:18,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:18,692 INFO L82 PathProgramCache]: Analyzing trace with hash -30225678, now seen corresponding path program 1 times [2018-11-23 14:55:18,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:18,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:18,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:18,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:18,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:18,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:18,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-23 14:55:18,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 14:55:18,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 14:55:18,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-11-23 14:55:18,926 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 14 states. [2018-11-23 14:55:19,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:19,917 INFO L93 Difference]: Finished difference Result 229 states and 270 transitions. [2018-11-23 14:55:19,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 14:55:19,917 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2018-11-23 14:55:19,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:19,919 INFO L225 Difference]: With dead ends: 229 [2018-11-23 14:55:19,919 INFO L226 Difference]: Without dead ends: 223 [2018-11-23 14:55:19,920 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2018-11-23 14:55:19,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-23 14:55:19,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 198. [2018-11-23 14:55:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-23 14:55:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 236 transitions. [2018-11-23 14:55:19,941 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 236 transitions. Word has length 37 [2018-11-23 14:55:19,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:19,941 INFO L480 AbstractCegarLoop]: Abstraction has 198 states and 236 transitions. [2018-11-23 14:55:19,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 14:55:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 236 transitions. [2018-11-23 14:55:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 14:55:19,942 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:19,942 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:19,943 INFO L423 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:19,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:19,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1274473543, now seen corresponding path program 1 times [2018-11-23 14:55:19,944 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:19,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:19,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:19,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:19,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:20,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:20,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:20,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-23 14:55:20,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 14:55:20,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 14:55:20,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-11-23 14:55:20,246 INFO L87 Difference]: Start difference. First operand 198 states and 236 transitions. Second operand 17 states. [2018-11-23 14:55:21,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:21,580 INFO L93 Difference]: Finished difference Result 321 states and 388 transitions. [2018-11-23 14:55:21,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 14:55:21,581 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 40 [2018-11-23 14:55:21,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:21,583 INFO L225 Difference]: With dead ends: 321 [2018-11-23 14:55:21,583 INFO L226 Difference]: Without dead ends: 318 [2018-11-23 14:55:21,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2018-11-23 14:55:21,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-11-23 14:55:21,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 290. [2018-11-23 14:55:21,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 14:55:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2018-11-23 14:55:21,613 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 40 [2018-11-23 14:55:21,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:21,614 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2018-11-23 14:55:21,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 14:55:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2018-11-23 14:55:21,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 14:55:21,615 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:21,615 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:21,615 INFO L423 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:21,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:21,615 INFO L82 PathProgramCache]: Analyzing trace with hash 129254594, now seen corresponding path program 1 times [2018-11-23 14:55:21,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:21,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:21,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:21,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:21,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:22,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:22,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-23 14:55:22,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 14:55:22,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 14:55:22,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-11-23 14:55:22,017 INFO L87 Difference]: Start difference. First operand 290 states and 353 transitions. Second operand 17 states. [2018-11-23 14:55:23,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:23,295 INFO L93 Difference]: Finished difference Result 324 states and 392 transitions. [2018-11-23 14:55:23,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 14:55:23,296 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 43 [2018-11-23 14:55:23,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:23,298 INFO L225 Difference]: With dead ends: 324 [2018-11-23 14:55:23,298 INFO L226 Difference]: Without dead ends: 321 [2018-11-23 14:55:23,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2018-11-23 14:55:23,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-11-23 14:55:23,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 290. [2018-11-23 14:55:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 14:55:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2018-11-23 14:55:23,320 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 43 [2018-11-23 14:55:23,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:23,321 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2018-11-23 14:55:23,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 14:55:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2018-11-23 14:55:23,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 14:55:23,322 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:23,322 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:23,322 INFO L423 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:23,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:23,322 INFO L82 PathProgramCache]: Analyzing trace with hash 2147132914, now seen corresponding path program 1 times [2018-11-23 14:55:23,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:23,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:23,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:23,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:23,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:23,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:23,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:23,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-11-23 14:55:23,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 14:55:23,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 14:55:23,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:55:23,710 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand 18 states. [2018-11-23 14:55:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:25,109 INFO L93 Difference]: Finished difference Result 318 states and 382 transitions. [2018-11-23 14:55:25,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 14:55:25,111 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 46 [2018-11-23 14:55:25,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:25,112 INFO L225 Difference]: With dead ends: 318 [2018-11-23 14:55:25,112 INFO L226 Difference]: Without dead ends: 315 [2018-11-23 14:55:25,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2018-11-23 14:55:25,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-11-23 14:55:25,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 290. [2018-11-23 14:55:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 14:55:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 351 transitions. [2018-11-23 14:55:25,141 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 351 transitions. Word has length 46 [2018-11-23 14:55:25,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:25,142 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 351 transitions. [2018-11-23 14:55:25,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 14:55:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 351 transitions. [2018-11-23 14:55:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 14:55:25,143 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:25,143 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:25,143 INFO L423 AbstractCegarLoop]: === Iteration 7 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:25,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:25,143 INFO L82 PathProgramCache]: Analyzing trace with hash 117297583, now seen corresponding path program 1 times [2018-11-23 14:55:25,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:25,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:25,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:25,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:25,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:25,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:25,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-11-23 14:55:25,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 14:55:25,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 14:55:25,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:55:25,700 INFO L87 Difference]: Start difference. First operand 290 states and 351 transitions. Second operand 18 states. [2018-11-23 14:55:27,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:27,442 INFO L93 Difference]: Finished difference Result 318 states and 382 transitions. [2018-11-23 14:55:27,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 14:55:27,442 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 49 [2018-11-23 14:55:27,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:27,443 INFO L225 Difference]: With dead ends: 318 [2018-11-23 14:55:27,443 INFO L226 Difference]: Without dead ends: 315 [2018-11-23 14:55:27,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2018-11-23 14:55:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-11-23 14:55:27,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 290. [2018-11-23 14:55:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 14:55:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 350 transitions. [2018-11-23 14:55:27,470 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 350 transitions. Word has length 49 [2018-11-23 14:55:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:27,470 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 350 transitions. [2018-11-23 14:55:27,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 14:55:27,471 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 350 transitions. [2018-11-23 14:55:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:55:27,471 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:27,472 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:27,472 INFO L423 AbstractCegarLoop]: === Iteration 8 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:27,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:27,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1848170814, now seen corresponding path program 1 times [2018-11-23 14:55:27,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:27,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:27,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:27,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:27,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:27,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:27,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-11-23 14:55:27,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 14:55:27,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 14:55:27,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:55:27,906 INFO L87 Difference]: Start difference. First operand 290 states and 350 transitions. Second operand 18 states. [2018-11-23 14:55:29,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:29,088 INFO L93 Difference]: Finished difference Result 316 states and 378 transitions. [2018-11-23 14:55:29,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-23 14:55:29,088 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 52 [2018-11-23 14:55:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:29,089 INFO L225 Difference]: With dead ends: 316 [2018-11-23 14:55:29,089 INFO L226 Difference]: Without dead ends: 313 [2018-11-23 14:55:29,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=239, Invalid=817, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 14:55:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-11-23 14:55:29,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 290. [2018-11-23 14:55:29,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 14:55:29,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2018-11-23 14:55:29,114 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 52 [2018-11-23 14:55:29,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:29,115 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2018-11-23 14:55:29,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 14:55:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2018-11-23 14:55:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 14:55:29,116 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:29,117 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:29,117 INFO L423 AbstractCegarLoop]: === Iteration 9 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:29,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:29,117 INFO L82 PathProgramCache]: Analyzing trace with hash 2097711328, now seen corresponding path program 1 times [2018-11-23 14:55:29,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:29,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:29,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:29,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:29,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:55:29,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:29,933 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:55:29,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:29,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:55:30,032 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-23 14:55:30,042 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:30,059 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-11-23 14:55:30,060 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-23 14:55:30,066 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 14:55:30,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 14:55:30,076 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:55 [2018-11-23 14:55:30,124 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2018-11-23 14:55:30,125 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,147 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:30,148 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:30,148 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2018-11-23 14:55:30,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,172 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-11-23 14:55:30,174 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 14:55:30,174 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,180 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,199 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-11-23 14:55:30,202 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 14:55:30,202 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,207 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,244 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-11-23 14:55:30,250 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 14:55:30,251 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,263 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,276 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-11-23 14:55:30,277 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 14:55:30,277 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,282 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,289 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:73, output treesize:13 [2018-11-23 14:55:30,377 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:30,378 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-11-23 14:55:30,378 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,388 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-23 14:55:30,389 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-23 14:55:30,390 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,391 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,402 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-23 14:55:30,404 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-23 14:55:30,404 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,405 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,414 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 14:55:30,414 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:51, output treesize:15 [2018-11-23 14:55:30,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 48 [2018-11-23 14:55:30,533 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 14:55:30,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,569 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 58 [2018-11-23 14:55:30,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2018-11-23 14:55:30,575 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:30,576 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-11-23 14:55:30,576 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,586 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,627 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 14:55:30,628 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2018-11-23 14:55:30,631 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:30,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 46 [2018-11-23 14:55:30,633 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,642 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,681 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2018-11-23 14:55:30,683 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:30,687 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 14:55:30,687 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 42 [2018-11-23 14:55:30,688 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,694 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:30,738 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 55 [2018-11-23 14:55:30,939 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:55:30,940 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_12 __list_add_~new.offset |__list_add_#in~next.base|) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:208) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:142) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 14:55:30,942 INFO L168 Benchmark]: Toolchain (without parser) took 13761.57 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 432.0 MB). Free memory was 950.0 MB in the beginning and 1.0 GB in the end (delta: -97.5 MB). Peak memory consumption was 334.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:30,943 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:55:30,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:30,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:30,944 INFO L168 Benchmark]: Boogie Preprocessor took 41.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:30,944 INFO L168 Benchmark]: RCFGBuilder took 487.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:30,944 INFO L168 Benchmark]: TraceAbstraction took 12720.02 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 259.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.1 MB). Peak memory consumption was 288.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:30,947 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 479.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 487.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12720.02 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 259.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.1 MB). Peak memory consumption was 288.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_12 __list_add_~new.offset |__list_add_#in~next.base|) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_12 __list_add_~new.offset |__list_add_#in~next.base|): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 14:55:32,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:55:32,409 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:55:32,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:55:32,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:55:32,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:55:32,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:55:32,420 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:55:32,421 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:55:32,422 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:55:32,423 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:55:32,423 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:55:32,423 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:55:32,424 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:55:32,425 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:55:32,425 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:55:32,426 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:55:32,427 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:55:32,429 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:55:32,430 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:55:32,430 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:55:32,431 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:55:32,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:55:32,433 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:55:32,433 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:55:32,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:55:32,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:55:32,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:55:32,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:55:32,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:55:32,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:55:32,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:55:32,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:55:32,437 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:55:32,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:55:32,438 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:55:32,439 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 14:55:32,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:55:32,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:55:32,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:55:32,450 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:55:32,450 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:55:32,450 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:55:32,451 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:55:32,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:55:32,451 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:55:32,451 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:55:32,451 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:55:32,451 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:55:32,451 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:55:32,452 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:55:32,452 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 14:55:32,452 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 14:55:32,452 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:55:32,452 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:55:32,452 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:55:32,452 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:55:32,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:55:32,453 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:55:32,453 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:55:32,453 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:55:32,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:55:32,453 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:55:32,453 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:55:32,453 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:55:32,454 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 14:55:32,454 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:55:32,454 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 14:55:32,454 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 14:55:32,454 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30390fe155d7f123b603151bf2b8a7453d49cf9d [2018-11-23 14:55:32,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:55:32,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:55:32,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:55:32,499 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:55:32,499 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:55:32,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i [2018-11-23 14:55:32,536 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data/23c56ea26/4fdd746579704b44aeb300280b590b12/FLAG39317ed23 [2018-11-23 14:55:32,983 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:55:32,984 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/sv-benchmarks/c/heap-manipulation/bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i [2018-11-23 14:55:32,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data/23c56ea26/4fdd746579704b44aeb300280b590b12/FLAG39317ed23 [2018-11-23 14:55:33,004 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/data/23c56ea26/4fdd746579704b44aeb300280b590b12 [2018-11-23 14:55:33,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:55:33,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:55:33,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:55:33,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:55:33,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:55:33,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd4ddc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33, skipping insertion in model container [2018-11-23 14:55:33,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:55:33,058 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:55:33,378 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:55:33,389 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:55:33,481 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:55:33,565 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:55:33,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33 WrapperNode [2018-11-23 14:55:33,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:55:33,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:55:33,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:55:33,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:55:33,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:55:33,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:55:33,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:55:33,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:55:33,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... [2018-11-23 14:55:33,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:55:33,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:55:33,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:55:33,640 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:55:33,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:55:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 14:55:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2018-11-23 14:55:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2018-11-23 14:55:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2018-11-23 14:55:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-11-23 14:55:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2018-11-23 14:55:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2018-11-23 14:55:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:55:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:55:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 14:55:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2018-11-23 14:55:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2018-11-23 14:55:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:55:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 14:55:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 14:55:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2018-11-23 14:55:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-11-23 14:55:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2018-11-23 14:55:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-11-23 14:55:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2018-11-23 14:55:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2018-11-23 14:55:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:55:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-23 14:55:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-23 14:55:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-11-23 14:55:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-11-23 14:55:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 14:55:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-11-23 14:55:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:55:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:55:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 14:55:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 14:55:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 14:55:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2018-11-23 14:55:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2018-11-23 14:55:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:55:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:55:34,217 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:55:34,217 INFO L280 CfgBuilder]: Removed 41 assue(true) statements. [2018-11-23 14:55:34,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:34 BoogieIcfgContainer [2018-11-23 14:55:34,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:55:34,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:55:34,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:55:34,221 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:55:34,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:55:33" (1/3) ... [2018-11-23 14:55:34,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae2653a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:34, skipping insertion in model container [2018-11-23 14:55:34,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:33" (2/3) ... [2018-11-23 14:55:34,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae2653a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:34, skipping insertion in model container [2018-11-23 14:55:34,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:34" (3/3) ... [2018-11-23 14:55:34,224 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux_false-unreach-call_false-valid-memcleanup.i [2018-11-23 14:55:34,230 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:55:34,234 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:55:34,243 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:55:34,262 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:55:34,263 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:55:34,263 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:55:34,263 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:55:34,263 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:55:34,263 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:55:34,263 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:55:34,263 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:55:34,263 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:55:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-23 14:55:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:55:34,280 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:34,281 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:34,282 INFO L423 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:34,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:34,286 INFO L82 PathProgramCache]: Analyzing trace with hash 923953062, now seen corresponding path program 1 times [2018-11-23 14:55:34,288 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 14:55:34,289 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 14:55:34,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:34,356 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:55:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:34,367 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:55:34,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:34,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:55:34,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:55:34,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:55:34,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:55:34,383 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-23 14:55:34,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:34,415 INFO L93 Difference]: Finished difference Result 276 states and 447 transitions. [2018-11-23 14:55:34,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:55:34,417 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-23 14:55:34,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:34,424 INFO L225 Difference]: With dead ends: 276 [2018-11-23 14:55:34,424 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 14:55:34,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:55:34,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 14:55:34,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 14:55:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 14:55:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2018-11-23 14:55:34,462 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 14 [2018-11-23 14:55:34,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:34,462 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2018-11-23 14:55:34,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:55:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2018-11-23 14:55:34,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 14:55:34,464 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:34,464 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:34,464 INFO L423 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:34,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:34,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1064303807, now seen corresponding path program 1 times [2018-11-23 14:55:34,465 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 14:55:34,465 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 14:55:34,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:34,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:55:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:34,554 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:55:34,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:34,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:55:34,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:55:34,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:55:34,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:55:34,557 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 5 states. [2018-11-23 14:55:34,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:34,738 INFO L93 Difference]: Finished difference Result 130 states and 150 transitions. [2018-11-23 14:55:34,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 14:55:34,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 14:55:34,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:34,740 INFO L225 Difference]: With dead ends: 130 [2018-11-23 14:55:34,740 INFO L226 Difference]: Without dead ends: 127 [2018-11-23 14:55:34,740 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:55:34,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-23 14:55:34,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-23 14:55:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-23 14:55:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2018-11-23 14:55:34,753 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 32 [2018-11-23 14:55:34,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:34,755 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2018-11-23 14:55:34,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:55:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2018-11-23 14:55:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 14:55:34,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:34,756 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:34,756 INFO L423 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:34,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:34,756 INFO L82 PathProgramCache]: Analyzing trace with hash 996272299, now seen corresponding path program 1 times [2018-11-23 14:55:34,757 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 14:55:34,757 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d74268df-fd92-4880-8d15-9db524fc4442/bin-2019/uautomizer/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 14:55:34,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:34,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:55:34,911 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-23 14:55:34,923 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:34,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-11-23 14:55:34,943 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-23 14:55:34,952 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 14:55:34,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 14:55:34,977 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:45 [2018-11-23 14:55:35,028 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-11-23 14:55:35,032 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-23 14:55:35,032 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:35,061 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:35,095 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-11-23 14:55:35,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-23 14:55:35,097 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:35,101 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:35,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 14:55:35,111 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:49, output treesize:31 [2018-11-23 14:55:35,157 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:35,159 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:35,160 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-11-23 14:55:35,160 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:35,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-11-23 14:55:35,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:35,184 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:35,184 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:7 [2018-11-23 14:55:35,257 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 48 [2018-11-23 14:55:35,360 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 14:55:35,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:35,508 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 53 [2018-11-23 14:55:35,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2018-11-23 14:55:35,530 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:35,532 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:35,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 44 [2018-11-23 14:55:35,566 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-23 14:55:35,632 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 14:55:35,994 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-11-23 14:55:36,000 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:36,003 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 14:55:36,004 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:36,033 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:36,473 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 50 [2018-11-23 14:55:36,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 52 [2018-11-23 14:55:36,521 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:36,649 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 69 [2018-11-23 14:55:36,649 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-23 14:55:36,790 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:36,791 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2018-11-23 14:55:36,791 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:36,891 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 14:55:37,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-11-23 14:55:37,098 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:37,256 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 14:55:37,629 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-11-23 14:55:37,633 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 14:55:37,633 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:37,659 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:38,028 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 53 [2018-11-23 14:55:38,033 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-23 14:55:38,034 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:38,131 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:38,309 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 14:55:38,375 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 58 [2018-11-23 14:55:38,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2018-11-23 14:55:38,387 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:38,388 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-11-23 14:55:38,388 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:38,417 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:38,759 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 14:55:38,760 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-11-23 14:55:38,776 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 14:55:38,777 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2018-11-23 14:55:38,777 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-23 14:55:38,811 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 14:55:39,308 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 55 [2018-11-23 14:55:39,510 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 14:55:39,511 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_14 __list_add_~new.offset __list_add_~next.base) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:210) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:142) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 14:55:39,513 INFO L168 Benchmark]: Toolchain (without parser) took 6505.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 283.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:39,514 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:55:39,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:39,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:55:39,514 INFO L168 Benchmark]: Boogie Preprocessor took 42.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:55:39,515 INFO L168 Benchmark]: RCFGBuilder took 578.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:39,515 INFO L168 Benchmark]: TraceAbstraction took 5293.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -81.5 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:39,517 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 557.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 578.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5293.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -81.5 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_14 __list_add_~new.offset __list_add_~next.base) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_14 __list_add_~new.offset __list_add_~next.base): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...